vtkDIMACSGraphReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkDIMACSGraphReader_h
#define vtkDIMACSGraphReader_h
 
#include "vtkGraphAlgorithm.h"
#include "vtkIOInfovisModule.h" // For export macro
#include "vtkStdString.h"       // For string API
 
VTK_ABI_NAMESPACE_BEGIN
class VTKIOINFOVIS_EXPORT vtkDIMACSGraphReader : public vtkGraphAlgorithm
{
 
public:
  static vtkDIMACSGraphReader* New();
  vtkTypeMacro(vtkDIMACSGraphReader, vtkGraphAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetFilePathMacro(FileName);
  vtkSetFilePathMacro(FileName);
 
 
  vtkGetStringMacro(VertexAttributeArrayName);
  vtkSetStringMacro(VertexAttributeArrayName);
 
 
  vtkGetStringMacro(EdgeAttributeArrayName);
  vtkSetStringMacro(EdgeAttributeArrayName);
 
protected:
  vtkDIMACSGraphReader();
  ~vtkDIMACSGraphReader() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  int buildGenericGraph(vtkGraph* output, vtkStdString& defaultVertexAttrArrayName,
    vtkStdString& defaultEdgeAttrArrayName);
 
  int buildColoringGraph(vtkGraph* output);
  int buildMaxflowGraph(vtkGraph* output);
 
  int RequestDataObject(vtkInformation*, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int ReadGraphMetaData();
 
private:
  bool fileOk;
  bool Directed;
  char* FileName;
  char* VertexAttributeArrayName;
  char* EdgeAttributeArrayName;
 
  int numVerts;
  int numEdges;
  std::string dimacsProblemStr;
 
  vtkDIMACSGraphReader(const vtkDIMACSGraphReader&) = delete;
  void operator=(const vtkDIMACSGraphReader&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkDIMACSGraphReader_h